507
FZPN40 PHFO 212230
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE MAY 21 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT
OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN
TWICE THE SIGNIFICANT WAVE HEIGHT.

THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 1800 UTC MAY 21 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 22 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 29N160W TO 23N167W TO 16N176W MOVING W 10 KT.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF TROUGH N OF 20N.
.24 HOUR FORECAST TROUGH FROM 30N161W TO 25N163W.
.48 HOUR FORECAST TROUGH FROM 30N162W TO 22N167W.

.TROUGH FROM 30N168W TO 24N164W MOVING N 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.NE TO E WINDS 20 TO 25 KT FROM 30N TO 07N E OF 157W.
.24 HOUR FORECAST E TO NE WINDS FROM 07N TO 30N E OF 165W.
.48 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE FROM 30N153W
TO 20N160W TO 08N170W.

.SEAS 8 TO 9 FT FROM 08N TO 20N E OF 150W.
.24 HOUR FORECAST SEAS 8 TO 9 FT FROM 08N TO 18N E OF 150W.
.48 HOUR FORECAST SEAS 8 TO 9 FT FROM 08N TO 13N E OF 158W.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ISOLATED TSTMS FROM 15N TO 25S BETWEEN 160E AND 165E.

.ITCZ FROM 01N171E 05N180W 03N170W 04N160W 07N150W
08N140W. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ
E OF 165W AND W OF 155W.



$$

.FORECASTER PECHACEK. HONOLULU HI.